GEN 2 yet another SPD Dyno Plot

Discussion in 'Ford Raptor Engine Discussion and Performance Mods' started by Toadster, Jan 11, 2018.

  1. Toadster

    Toadster FRF Addict

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    I still think the SPD adapters are doing something...
    my 'before tune showed 347HP
    whipple's private testing (different truck/different day, etc) shows 323HP base

    Whipple Stock
    [​IMG]

    My Truck Stock with SPD Adapters
    [​IMG]

    that's 24HP different on baseline for RWHP


    discuss!
     
  2. CSJr

    CSJr Full Access Member

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  3. Gsteve

    Gsteve FRF Addict

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    Those turbos are moving a ton of air at wot , theres no reason to think bigger outlets wouldnt help. I think yours did and should.
     
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  4. smurfslayer

    smurfslayer Be vewwy, vewwy quiet. We’re hunting sasquatch77

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    A point of clarification:

    did you dyno stock (no SPD) and then dyno with ONLY the SPD adapters?

    I’m in at least partial agreement with @Gsteve, I doubt they hurt anything, but if you tuned and put the SPD’s on at the same time, we’re only guessing if they’re actually producing real world numbers.
     
  5. xrocket21

    xrocket21 FRF Addict

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    well put, its pretty simple.
     
  6. Guy

    Guy FRF Supporting Member Supporting Member

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    Great to hear. I tested the adapters, I don't see them making any power difference. They're nice, but back to back, I didn't see any major gain. I do feel they are a nice option but the power is in the cal/ic/filter. On 93 or 94, in general will make 15-30rwhp more and same with torque. Its roughly a 2-4 deg spark change, all else being equal.


    No reason for whipple to lie.

    Far as I’m concerned. Case is closed.
     
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  7. Big Johnson

    Big Johnson Full Access Member

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    I agree with Guy on this one, if the adapters were a restriction to begin with you would see gains. But if the downpipes or any part of the exhaust are still the same diameter as the original adapters (i dont know whether they are or not) you gain zero.
     
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  8. kpg81

    kpg81 Full Access Member

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    I doubt these make a difference.

    Downpipes with high flow cats... Definitely. In fact, downpipes are probably the only exhaust mod that would give you some decent HP. Plus you would heard the turbo spool more.

    Probably sounds better than any aftermarket exhaust too, by just using downpipes only like this:

    https://youtu.be/uzQFvTHAyV8
     
    Last edited: Jan 11, 2018
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  9. Toadster

    Toadster FRF Addict

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    Well I guess I'll take my 24 HP and be happy with it


    Sent from my iPhone using Tapatalk
     
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  10. Toadster

    Toadster FRF Addict

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